Historical on-time performance
Spokane to Phoenix
Flights on GEG–PHX arrive on time 86% of the time over the last 12 months.
based on 1,135 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Southwest AirlinesOn-time88%Medianon timep9015 minCancel0.5%Flights592
- American AirlinesOn-time84%Medianon timep9025 minCancel0.2%Flights543
Why flights run late
Delay causes
- Airline35%
- Weather17%
- Air traffic (NAS)11%
- Late aircraft37%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline75%
- Weather25%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 4 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly GEG → PHX
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 90% on time.
- Mornings90% on time · p90 10 min · 1,470 flights
- Middays83% on time · p90 25 min · 559 flights
- Afternoons81% on time · p90 30 min · 1,366 flights
- Evenings74% on time · p90 45 min · 117 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 83% to 88% on time.
- Saturdays88% on time · p90 15 min · 514 flights
- Wednesdays86% on time · p90 20 min · 457 flights
- Tuesdays86% on time · p90 20 min · 452 flights
- Thursdays85% on time · p90 20 min · 517 flights
- Fridays83% on time · p90 25 min · 507 flights
- Sundays83% on time · p90 40 min · 570 flights
- Mondays83% on time · p90 25 min · 498 flights
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